Lake in the sand dunes from Pequenos Lencois Maranhenses, between the ocean and Preguicas river, Barreirinhas, Maranhao, Brazil, South America

dune dunes horizontal lencois maranhenses national park lake lakes landscape maranhao national parks parque nacional dos lencois maranhenses sand sand dune sand dunes sandy travel water day outdoors landscapes scenics brazil south america nature natural world topography arid landscapes